نتایج جستجو برای: exposure limits
تعداد نتایج: 424661 فیلتر نتایج به سال:
Market research was carried out to determine industry's perception of occupational exposure limits (OELs) and the extent to which they influence the selection of measures to control exposure. Telephone interviews were carried out with 1000 randomly selected users of chemicals, 400 from establishments with some use of chemicals and 600 from establishments with chemicals in daily use. 150 intervi...
Acceptable surface limits (ASLs) are developed in order to establish a quantitative measure for the potential risk from exposure by dermal contact. In the pharmaceuticals industry, ASLs are used for protection against active pharmaceutical ingredients that are known to cause pharmacological or toxicological effects. An ASL can be used, together with appropriate analytical methods and industrial...
The California OSHA Airborne Contaminant Advisory Committee reviewed several hundred substances and recommended occupational exposure limits with the intent of worker and employer protection. The model used offers important benefits. First, by allowing open meetings, the process was transparent, and input could be offered by concerned stakeholders. Second, the process was data-driven and, there...
هدف:بررسی نتایج عمل تخلیه چشم ((evisceration و کارگذاری implant در بیماران مراجعه کننده به کلینیک مرکزی شهر در سالهای 1388و 1389 روش مطالعه:این مطالعه که از نوع توصیفی مقطعی بوده در 22 بیمار مراجعه کننده به کلینیک مرکزی شهر که تحت عمل evisceration با روش implant گذاری نوین قرار گرفته اند انجام شده است. بیماران بعد از ثبت اطلاعات دموگرافیک و سوابق چشم پزشکی و اطمینان از عدم دید کامل آنها(nlp) ...
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